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I'd guess it is not a bulb issue if the audio also stopped working. Check your input source, connections and the like. Try using a different input (ie input 4 or the front AV connectors) and a different source (ie your old Nintendo instead of your DVD player).
Sounds Like your convergence ICs big black ICs will part number on them example STK394-020 Call Mats for Parts on ICs 1-800-628-1118 Also Call Encompass you can order whole Board if you want to you just unplug old board and plug in new 1-800-638-3328
Is the VCR going through ch 3 or video inputs - if video inputs your TV tuner is likely bad if through ch 3 seeif te picture goes funny on ch 3 without using the VCR the tuner may be bad on higher band channels - smetimes you can remove the tuner and resolder the tuner itself. But if it always works with the VCR just use it that way and don't bother with the fix.
I was watching My Apex Digital GB43HD10 one night and i smelled smoke the TV went blank i lost all power, i called the repair man and he came and looked at it and replaced the thermosat and it solved the problem.
I have a similar issue. Sometimes the entire screen goes black and sometimes only one-half - either the top or bottom half goes black. The only solution we have found is to gently tap the TV (usually the front side) and the picture will come back for awhile. It almost seems heat related as it only goes out after the first 10 minutes of use. There must be a fix to this.
I have the same set, about a year into owning it went black, power light but no picture, still under warrenty and ended up being the main board, they replaced and has worked well since, these tvs are sensative to spikes over the cable line, I got a really good cable surge protector after it was fixed.
your red crt bulb is starting to go bad.
somtimes you can tap lightly on the neck of
the red and the prob. usually short term will go away.
if not tube replacement is necessary.
this is sometime a pricey repair.
but worth it!
The circuit board on the right hand side is either cracked or the soldering came loose, I took mine apart and found it by mistake, everytime I pulled up the board i had picture again, so I propped up the board with some dumb-dumb and it has still been working, there are no parts for this TV